I am trying to troubleshoot why a connection is popping up and down,  
and finally staying down, with a Linux RHEL 5.2 Open iSCSI / iSER  
initiator.

I see various references to "host reset", and finally one looks like  
the following. It says it succeeded, but this time rather than IO  
continuing, I see the "Device offlined - not ready after error  
recovery".

Do we have any idea what is happening here based upon this console  
output?  What is "host reset" meant to do, and can we tell how it  
failed?

Thanks
/jb



Feb  7 11:20:05 nws-bur-25-48 kernel: iser:  
iscsi_iser_ib_conn_lookup:no conn exists for
eph ffffffffffffffffFeb  7 11:20:05 nws-bur-25-48 kernel: iser:  
iser_connect:connecting to: 192.168.1.5, port
  0xbc0c
Feb  7 11:20:05 nws-bur-25-48 kernel: iser: iser_cma_handler:event 0  
conn f6f5f640 id f3a81c00
Feb  7 11:20:05 nws-bur-25-48 kernel: iser: iser_cma_handler:event 2  
conn f6f5f640 id f3a81c00
Feb  7 11:20:05 nws-bur-25-48 kernel: iser:  
iser_create_ib_conn_res:setting conn f6f5f640
  cma_id f3a81c00: fmr_pool f6f5f740 qp f5d22380
Feb  7 11:20:06 nws-bur-25-48 kernel: iser: iscsi_iser_ep_poll:ib conn  
f6f5f640 rc = 0
Feb  7 11:20:06 nws-bur-25-48 kernel: iser: iser_cma_handler:event 9  
conn f6f5f640 id f3a
81c00
Feb  7 11:20:06 nws-bur-25-48 kernel: iser: iscsi_iser_ep_poll:ib conn  
f6f5f640 rc = 1
Feb  7 11:20:06 nws-bur-25-48 kernel: iser:  
iscsi_iser_conn_bind:binding iscsi conn f34a8
16c to iser_conn f6f5f640
Feb  7 11:20:09 nws-bur-25-48 kernel:  session1: host reset succeeded
Feb  7 11:20:10 nws-bur-25-48 iscsid: connection1:0 is operational  
after recovery (1 atte
mpts)
Feb  7 11:20:29 nws-bur-25-48 kernel: sd 9:0:0:0: scsi: Device  
offlined - not ready after
  error recovery
Feb  7 11:20:29 nws-bur-25-48 kernel: sd 9:0:0:0: SCSI error: return  
code = 0x00020000
Feb  7 11:20:29 nws-bur-25-48 kernel: end_request: I/O error, dev sdc,  
sector 1058848
Feb  7 11:20:29 nws-bur-25-48 kernel: sd 9:0:0:0: rejecting I/O to  
offline device
Feb  7 11:20:29 nws-bur-25-48 last message repeated 4 times
Feb  7 11:20:29 nws-bur-25-48 kernel: sd 9:0:0:0: SCSI error: return  
code = 0x00010000
Feb  7 11:20:29 nws-bur-25-48 kernel: end_request: I/O error, dev sdc,  
sector 1056800
Feb  7 11:20:29 nws-bur-25-48 kernel: sd 9:0:0:0: rejecting I/O to  
offline device
Feb  7 11:20:31 nws-bur-25-48 last message repeated 370 times
Feb  7 19:31:43 nws-bur-25-48 restorecond: Will not restore a file  
with more than one
hard linkd f3a81c00
Feb  7 11:20:05 nws-bur-25-48 kernel: iser:d 9:0:0:0: rejecting I/O to  
offline device
Feb  7 11:20:29 nws-bur-25-48 last message repeated 4 times
Feb  7 11:20:29 nws-bur-25-48 kernel: sd 9:0:0:0: SCSI error: return  
code =
0x00010000
Fe f6f5f640 id f3a81c00
Feb  7 11:20:06 nws-bur-25-48 kernel: iser: iscsi_iser_ep_poll:ib conn  
f6f5f640 rc =
1
Feb  7 11:20:06 9ws-bur-25-48 kernel: iser:  
iscsi_iser_conn_bind:binding iscsi conn
f34a816c to iser_conn f6f5f640
Feb  7 11:20:09 nws-bur-25r-onn f34a816c to iser_conn f6f5f640
Feb  7 11:20:09 nws-bur-25 hur-25-48 iscsid:05 nws-bur-25-48 kernel:  
iser(/etc/resolv.conf) Invalid argument


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